A sample containing 0.400 mol of a compound is composed of 2.41 × 1023 atoms of sodium, 14.19 g of chlorine atoms, and 19.22 g of oxygen atoms. The formula of the compound is A. NaCl2
B. NaClO
C. NaClO4
D. NaClO3
E. NaClO5

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.

Which of the following is most likely true about water in chemical solutions?